In this 2020 photograph, captured inside a clinical setting, a health care provider and patient, consult on influenza vaccine options. The best way to prevent seasonal flu illness is to get vaccinated every year. Centers for Disease Control and Prevention (CDC) recommends everyone 6-months of age and older get a flu vaccine every season. There are many vaccine options to choose from, but the most important thing, is for all people 6-months and older, get an influenza vaccine every year. If you have questions about which vaccine is best for you, talk to your doctor or other health care professional.